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| 1 | Real time endoscopic ultrasound elastography and strain ratio in the diagnosis of solid pancreatic lesions显示文摘AIM To evaluate the accuracy of the elastography score combined to the strain ratio in the diagnosis of solid pancreatic lesions(SPL). METHODS A total of 172 patients with SPL identified by endoscopic ultrasound were enrolled in the study to evaluate the efficacy of elastography and strain ratio in differentiating malignant from benign lesions. The semi quantitative score of elastography was represented by the strain ratio method. Two areas were selected, area(A) representing the region of interest and area(B) representing the normal area. Area(B) was then divided by area(A). Sensitivity, specificity, positive predictive value(PPV), negative predictive value(NPV), and accuracy were calculated by comparing diagnoses made by elastography, strain ratio and final diagnoses.RESULTS SPL were shown to be benign in 49 patients and malignant in 123 patients. Elastography alone had a sensitivity of 99%, a specificity of 63%, and an accuracy of 88%, a PPV of 87% and an NPV of 96%. The best cut-off level of strain ratio to obtain the maximal area under the curve was 7.8 with a sensitivity of 92%, specificity of 77%, PPV of 91%, NPV of 80% and an accuracy of 88%. Another estimated cut off strain ratio level of 3.8 had a higher sensitivity of 99% and NPV of 96%, but with less specificity, PPV and accuracy 53%, 84% and 86%, respectively. Adding both elastography to strain ratio resulted in a sensitivity of 98%, specificity of 77%, PPV of 91%, NPV of 95% and accuracy of 92% for the diagnosis of SPL. CONCLUSION Combining elastography to strain ratio increases the accuracy of the differentiation of benign from malignant SPL. | Hussein Okasha Shaimaa Elkholy Ramy El-Sayed Mohamed-Naguib Wifi Mohamed El-Nady Walid El-Nabawi Waleed A El-Dayem Mohamed I Radwan Ali Farag Yahya El-sherif Emad Al-Gemeie Ahmed Salman Mohamed El-Sherbiny Ahmed El-Mazny Reem E Mahdy | 2017 | World Journal of Gastroenterology2017，23，32： | 11 |
| 2 | Predictors of nocturnal Oxygen desaturation in patients with COPD显示文摘 | Little SA Elkholy MM Chalmers GW | 1999 | Respir Med1999，93，： | 1 |
| 3 | Impact of allergic rhinitis on quality of life in patients with bronchial asthma 显示文摘 | Elkholy MM Khedr MH Halawa A | 2012 | Int J Health Sci (Qassim)2012，6，2： | 1 |
| 4 | Prediction of Abrasion Wear for Slurry Pump Materials显示文摘 | Ahmed Elkholy | 1983 | Wear1983，84，1： | 1 |
| 5 | Impact of allergic rhinitis on quality of life in patients with bronchial asthma显示文摘 | Elkholy MM Khedr MH Halawa A | | 0，，： | 1 |
| 6 | Diffusion ten- sor magnetic resonance imaging in assessment of prognostic outcome of stroke patients 显示文摘 | Elkholy S F Khalil M E Elbasmi A A | 2015 | The Egyptian Journal of Radi- ology and Nuclear Medicine2015，46，3： | 1 |
| 7 | Beneficial effect of inguinal hernioplasty on testicular perfusion and sexual function 显示文摘 | El-Acoady SE Elkholy AA | 2009 | Hernia2009，13，3： | 1 |
| 8 | Experimental investigation on the stick-slip phenomenon in granular collision lubrication显示文摘 | Elkholy K N Khonsari M M | 2008 | ASME Tribol2008，130，02： | 1 |
| 9 | Granular collision lubrication: experimental investigation and comparison to theory显示文摘 | Elkholy K N Khonsari M M | 2007 | ASME Tribol2007，129，4： | 1 |
| 10 | Failure analysis of Grade-80 alloy steel towing chain links显示文摘 | Khaled A1-Fadhalah Ahmed Elkholy and Majed Majeed | 2010 | Engineering Failure Analysis2010，，17： | 1 |
| 11 | Impact of allergic rhi- nitis on quality of life in patients with bronchial asthma显示文摘 | Elkholy MM Khedr MH Halawa A | 2012 | Int J Health Sci(Qassim)2012，6，2： | 1 |
| 12 | Combined oral prednisolone and heparin versus heparin: the effect on peripheral NK cells and clinical outcome in patients with unexplained recurrent miscarriage. A double-blind placebo randomized controlled trial显示文摘 | Mostafa F. Gomaa Abdellatif G. Elkholy Mourrad M. El-Said Nermine E. Abdel-Salam | 2014 | Archives of Gynecology and Obstetrics2014，，4： | 1 |
| 13 | The Role of BH3-Only Proteins in Tumor Cell Development,Signaling,and Treat- ment显示文摘 | Elkholi R Floros KV Chipuk JE | 2011 | Genes Cancer2011，2，5： | 1 |
| 14 | Acute lower respiratory tract infection due to Chlamydia and Mycoplas ma spp in Egyptian children under 5 years of age显示文摘 | Elkholy A Elkaraksy H Fattouh A | 2009 | J Trop Pediatr2009，55，3： | 1 |
| 15 | Mitoehondrial shape governs BAX-induced membrane permeabilization and apoptosis显示文摘 | Renault 33' Floros KV Elkholi R | 2015 | Molecular cell2015，57，1： | 1 |
| 16 | Corrosion inhibition efficiency and surface activity of benzothiazol-3-ium cationic Schiff base derivatives in hydrochloric acid显示文摘 | NEGM N A ELKHOLY Y M ZAHRAN M K TAWFIK S M | | 0，，： | 1 |
| 17 | Sleep and aging: Man- agement of sleep disorders in old people显示文摘 | Wolkove N Elkholy O Baltzan M | 2007 | CMAJ2007，176，10： | 1 |
| 18 | Psychogenetics of post-traumatic stress disorder:a short review显示文摘 | Rady A Elsheshai A Elkholy O | 2010 | Appl Clin Genet2010，16，3： | 1 |
| 19 | Sleep and aging: Sleep disorders commonly found in older people显示文摘 | Wolkove N Elkholy O Baltzan M | 2007 | CMAJ2007，176，9： | 1 |
| 20 | Evidence of interrelated sideeffects with reduced compliance in patients treated with nasalcontinuouspositive airway pressure显示文摘 | Baltzan MA Elkholi 0 Wolkove N | 2009 | Sleep Med2009，10，： | 1 |
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